【10-30V】: Universal for trailers, caravans, trucks, etc. High quality and durable. Long service life and low power consumption. 【Universal】: The universal design and widespread use make these trailer tail lights the most widely used on the market. Suitable for all models: vans, trucks, motorcycles, bicycles, cars, ATVs, etc. Used as a warning. Widely used: Used as tail light, brake light, turn signal light, round LED reflector, export LED reflector, motorcycle tail light, ATV reflector, universal LED reflector, bicycle tail light. Product size: 143*65mm